// TortoiseSVN - a Windows shell extension for easy version control

// Copyright (C) 2007, 2009-2013 - TortoiseSVN

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#pragma once
#include "BaseWindow.h"
#include "SciLexer.h"
#include "Scintilla.h"
#include "registry.h"
#include "resource.h"
#include "FindBar.h"
#include <string>
#include <stdio.h>

/**
 * \ingroup TortoiseUDiff
 * Main window of TortoiseUDiff. Handles the child windows (Scintilla control,
 * CFindBar, ...).
 */
class CMainWindow : public CWindow
{
public:
    CMainWindow(HINSTANCE hInst, const WNDCLASSEX* wcx = NULL);
    ~CMainWindow(void);

    /**
    * Registers the window class and creates the window.
    */
    bool                RegisterAndCreateWindow();

    LRESULT             SendEditor(UINT Msg, WPARAM wParam = 0, LPARAM lParam = 0);
    HWND                GetHWNDEdit() { return m_hWndEdit; }
    bool                LoadFile(LPCTSTR filename);
    bool                LoadFile(HANDLE hFile);
    bool                SaveFile(LPCTSTR filename);
    void                SetTitle(LPCTSTR title);
    std::wstring        GetAppDirectory();
    void                RunCommand(const std::wstring& command);

protected:
    /// the message handler for this window
    LRESULT CALLBACK    WinMsgHandler(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
    /// Handles all the WM_COMMAND window messages (e.g. menu commands)
    LRESULT             DoCommand(int id);

    bool                Initialize();

private:
    void                SetAStyle(int style, COLORREF fore, COLORREF back=::GetSysColor(COLOR_WINDOW), int size=-1, const char *face=0);
    bool                IsUTF8(LPVOID pBuffer, size_t cb);
    void                InitEditor();
    void                SetupWindow(bool bUTF8);

private:
    LRESULT             m_directFunction;
    LRESULT             m_directPointer;

    HWND                m_hWndEdit;

    CFindBar            m_FindBar;
    bool                m_bShowFindBar;
    bool                m_bMatchCase;
    std::wstring        m_findtext;
    std::wstring        m_filename;

    void loadOrSaveFile( bool doLoad, const std::wstring& filename = L"" );
};